Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 48, NWS Charleston, SC

June 22, 2000Colleton County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jun 22, 2000, 5:26 PM EDT for Colleton County, South Carolina. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 22, 2000, 5:26 PM EDT (21:26 UTC)
Expired: Jun 22, 2000, 6:15 PM EDT
In force: 49 min
Issued by: NWS Charleston, SC
Area: Whole counties

County Colleton County, SC

The radar

The Charleston,SC radar (KCLX), 42 km from the middle of the area, began a volume at 21:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 22, 5:55 PM EDT	Thunderstorm Wind 50 E	Walterboro, SC	Trees down along Interstate 95.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 22, 1:30 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.4 hours before the alert went out and 61 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2256 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 498 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

418 
WUUS52 KCHS 222126
SVRCHS
SCC029-222215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
526 PM EDT THU JUN 22 2000

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL COLLETON COUNTY IN SOUTHERN SOUTH CAROLINA.

* UNTIL 615 PM EDT.

* AT 525 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES
  NORTHWEST OF HENDERSONVILLE...OR ABOUT 10 MILES WEST OF
  WALTERBORO...MOVING EAST AT 15 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... WALTERBORO...
  ROUND-O...RITTER...JACKSONBORO...HENDERSONVILLE AND COTTAGEVILLE.

HAIL UP TO 1 INCH IN DIAMETER AND WIND GUSTS TO 60 MPH ARE EXPECTED
IN THE WARNED AREA.

$$

LAT...LON 3294 8089 3277 8089 3276 8045 3300 8041

JAC
NNNN

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 22, 4:05 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	40 min
Jun 22, 4:21 PM EDT	Severe Thunderstorm Warning	CHS	Hampton	39 min
Jun 22, 4:49 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	41 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.